On Wed, May 11, 2011 at 10:27 PM, Igor Tandetnik <itandet...@mvps.org>wrote:

> See also: http://en.wikipedia.org/wiki/Vacuous_truth
>

Thanks for that - that's a new term for me. i think the relevant bit of that
article in this context is:

------
Thus we say S is vacuously true; it is true, but in a way that doesn’t seem
entirely free from arbitrariness. Furthermore, the fact that S is true
doesn’t really provide us with any information, nor can we make useful
deductions from it; it is only a choice we made about how our logical system
works, and can’t represent any fact of the real world.
------

-- 
----- stephan beal
http://wanderinghorse.net/home/stephan/
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